Examine source code of Chegg-DeviceLimitBypass

{
  "manifest_version": 2,
  "name": "Chegg-DeviceLimitBypass",
  "version": "0.1.0",
  "description": "A browser extension to remove Chegg's annoying 2 device limit",
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "https://www.chegg.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8da607d0-3cc7-4cd6-bb9f-f8583e469dc6}"
    }
  }
}